<template>
  <a-dropdown :trigger="trigger" v-bind="$attrs">
    <span>
      <slot></slot>
    </span>
    <template #overlay>
      <a-menu :selectedKeys="selectedKeys">
        <template v-for="item in dropMenuList" :key="`${item.event}`">
          <a-menu-item v-bind="getAttr(item.event)" @click="handleClickMenu(item)" :disabled="item.disabled">
            <a-popconfirm v-if="popconfirm && item.popConfirm" v-bind="getPopConfirmAttrs(item.popConfirm)">
              <template #icon v-if="item.popConfirm.icon">
                <Icon :icon="item.popConfirm.icon" />
              </template>
              <div>
                <Icon :icon="item.icon" v-if="item.icon" />
                <span class="ml-1">{{ item.text }}</span>
              </div>
            </a-popconfirm>
            <template v-else>
              <Icon :icon="item.icon" v-if="item.icon" />
              <span class="ml-1">{{ item.text }}</span>
            </template>
          </a-menu-item>
          <a-menu-divider v-if="item.divider" :key="`d-${item.event}`" />
        </template>
      </a-menu>
    </template>
  </a-dropdown>
</template>

<script lang="ts" setup>
import { computed, PropType } from 'vue';
import type { DropMenu } from './typing';
import { Dropdown, Menu, Popconfirm } from 'ant-design-vue';
import { Icon } from '@components/common';
import { isFunction, omit } from '@pkg/utils';

const ADropdown = Dropdown;
const AMenu = Menu;
const AMenuItem = Menu.Item;
const AMenuDivider = Menu.Divider;
const APopconfirm = Popconfirm;

const props = defineProps({
  popconfirm: Boolean,
  /**
   * the trigger mode which executes the drop-down action
   * @default ['hover']
   * @type string[]
   */
  trigger: {
    type: [Array] as PropType<('contextmenu' | 'click' | 'hover')[]>,
    default: () => {
      return ['contextmenu'];
    },
  },
  dropMenuList: {
    type: Array as PropType<(DropMenu & Recordable)[]>,
    default: () => [],
  },
  selectedKeys: {
    type: Array as PropType<string[]>,
    default: () => [],
  },
});

const emit = defineEmits(['menuEvent']);

function handleClickMenu(item: DropMenu) {
  const { event } = item;
  const menu = props.dropMenuList.find((item) => `${item.event}` === `${event}`);
  emit('menuEvent', menu);
  item.onClick?.();
}

const getPopConfirmAttrs = computed(() => {
  return (attrs) => {
    const originAttrs = omit(attrs, ['confirm', 'cancel', 'icon']);
    if (!attrs.onConfirm && attrs.confirm && isFunction(attrs.confirm)) originAttrs['onConfirm'] = attrs.confirm;
    if (!attrs.onCancel && attrs.cancel && isFunction(attrs.cancel)) originAttrs['onCancel'] = attrs.cancel;
    return originAttrs;
  };
});

const getAttr = (key: string | number) => ({ key });
</script>
